package thread;

/**
 * 互斥锁
 */
public class SyncDemo4 {
    public static void main(String[] args) {
        Boo b = new Boo();
        Thread t1 = new Thread(){
            @Override
            public void run() {
                b.methodA();
            }
        } ;
        Thread t2 = new Thread(){
            @Override
            public void run() {
                b.methodB();
            }
        } ;
        t1.start();
        t2.start();

    }
}
class Boo{
    public synchronized  void methodA(){
        try {
            Thread t= Thread.currentThread();
            System.out.println(t.getName()+":正在执行A方法");
            Thread.sleep(5000);
            System.out.println(t.getName()+":执行A方法完毕！");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
   // public synchronized  void methodB(){
   public   void methodB(){
       synchronized("this") {
           try {
               Thread t = Thread.currentThread();
               System.out.println(t.getName() + ":正在执行B方法");
               Thread.sleep(5000);
               System.out.println(t.getName() + ":执行B方法完毕！");
           } catch (InterruptedException e) {
               e.printStackTrace();
           }
       }
    }
}
